Process for manufacturing multicolor cross textures on metal surface

A technology of interlaced textures and metal surfaces, which is applied in the fields of crafts and decorative arts for producing decorative surface effects, can solve the problems of complex crafts, single color, regular and single color and texture patterns, etc., to achieve strong artistic expression, The effect of bright colors and strong adhesion

Inactive Publication Date: 2017-09-29
金星铜集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, chemical oxidation, chemical passivation, chemical phosphating, paint coating and other treatment processes are mostly used in the surface treatment process of metal products. not strong
After retrieval, patent document 200910040779.9 discloses a process for obtaining colorful three-dimensional texture patterns on metal parts, but this method uses a vacuum thermal transfer spraying process, first powder spraying, texture patterns using an extrusion process, and finally heat transfer. Transfer printing process, the process is more complicated, and the color and texture pattern are also relatively regular and single
Only suitable for relatively regular products such as metal profiles

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Step (1) Surface pretreatment of metal products:

[0024] (1.1) The brass sheet with a size of 200×400×1.0mm is stamped by a punching machine to have an irregular and uneven surface. The depth of the unevenness is controlled at 0.1-1.0mm. The mold used is 200× made of mold steel. 400mm size plane steel mold;

[0025] (1.2) The above-mentioned stamped copper sheet is subjected to degreasing and derusting treatment with a degreasing agent, and rinsed with clean water, and a commercially available alkaline degreasing agent is used for degreasing.

[0026] Step (2) coating spraying:

[0027] Adjust oil-based or water-based fluorocarbon coatings of various colors, which are red, black and yellow, and spray the above three color levels in turn. Each sprayed color is dried in an 80-degree oven. Each layer of coating The thickness of the dry film was 20 μm.

[0028] Step (3) surface grinding:

[0029] Use a hand-held electric grinder to grind from top to bottom on the coate...

Embodiment 2

[0033] Step (1) Surface pretreatment of metal products:

[0034] (1.1) The brass sheet with a size of 300×300×1.2mm is punched by a punching machine to form an irregular uneven surface. The depth of the unevenness is controlled at 0.5-1.2mm. The mold used is 300× made of mold steel. 300mm size plane steel mold;

[0035] (1.2) The above stamped copper sheet is subjected to degreasing and derusting treatment with a degreasing agent, and rinsed with clear water, and a commercially available acid degreasing agent is used for degreasing.

[0036] Step (2) coating spraying:

[0037] Adjust oil-based or water-based acrylic paints of various colors, which are red, black, yellow, and blue, and spray the above four color layers in turn. Each sprayed color is dried in a 90-degree oven. The thickness of the dry film of the coating is 20 μm.

[0038] Step (3) surface grinding:

[0039] Grind from top to bottom on the coated side with a hand-held electric grinder until five irregular an...

Embodiment 3

[0043] Step (1) Surface pretreatment of metal products:

[0044] (1.1) The brass sheet with a size of 200×400×1.0mm is stamped by a punching machine into an irregular and uneven surface, and the depth of the unevenness is controlled at 0.1-0.5mm. The mold used is 200× made of mold steel. 400mm size plane steel mold;

[0045] (1.2) The above-mentioned stamped copper sheet is subjected to degreasing and derusting treatment with a degreasing agent, and rinsed with clean water, and a commercially available alkaline degreasing agent is used for degreasing.

[0046] Step (2) coating spraying:

[0047] Adjust the oily or water-based polyurethane coatings of various colors, blue and red respectively, and spray the above two color levels in turn. After the blue coating is dry, spray the red coating. The dry film of each layer of coating The thickness is 30 μm.

[0048] Step (3) surface grinding:

[0049] Use a hand-held electric grinder to grind from top to bottom on the coated sid...

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Abstract

The invention relates to a process for manufacturing multicolor cross textures on a metal surface. In an existing treatment process, the form and color are quite single, and the color is lack of the sense of depth and the stereoscopic impression. According to a method of the process, firstly, the surface of a metal product shows an uneven effect, and the surface is subjected to oil removal, rust removal and cleaning treatment; then, according to the pre-designed color layers and sequence, mixed color coating is sequentially sprayed to the surface of the metal product through a pneumatic spray gun; then, the surface of the metal product is ground till irregular blocky metal base materials and multicolor cross texture patterns appear, and the surface of the metal product is washed out; and finally, clear varnish is sprayed to the surface of the metal product, and the metal product with the multicolor cross texture patterns can be obtained after drying. According to the method, the surface of the metal product generates the multicolor cross texture effect; colors are beautiful, layers are rich, and adhesion force is high; the color layers are changeable and are not repeated; and artistic expressive force is high.

Description

technical field [0001] The invention belongs to the technical field of metal surface treatment technology, and in particular relates to a technology for making multi-color interlaced textures on copper surfaces. Background technique [0002] At present, chemical oxidation, chemical passivation, chemical phosphating, paint coating and other treatment processes are mostly used in the surface treatment process of metal products. Not strong. After retrieval, patent document 200910040779.9 discloses a process for obtaining colorful three-dimensional texture patterns on metal parts, but this method uses a vacuum thermal transfer spraying process, first powder spraying, texture patterns using an extrusion process, and finally heat transfer. The transfer printing process is relatively complicated, and the color and texture pattern are relatively regular and single. It is only suitable for relatively regular products such as metal profiles. Contents of the invention [0003] The...

Claims

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Application Information

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IPC IPC(8): B44C1/00B44C1/20B44C1/22
CPCB44C1/00B44C1/20B44C1/22
Inventor 朱军岷朱炳仁张道权褚奕文
Owner 金星铜集团有限公司
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